Home / 118,270.36-163,210.48-64,556.26

Finding the Fourth Proportional to 118,270.36, 163,210.48 and 64,556.26

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Solution

The fourth proportional to 118,270.36, 163,210.48 and 64,556.26 is: 89,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,270.36 : 163,210.48 = 64,556.26 : x
  2. Step 2: Convert to fraction form
    118,270.36/163,210.48 = 64,556.26/x
  3. Step 3: Cross multiply
    118,270.36x = 163,210.48 × 64,556.26
  4. Step 4: Simplify right side
    118,270.36x = 10,536,258,181.60
  5. Step 5: Solve for x
    x = 10,536,258,181.60/118,270.36
  6. Step 6: Final answer
    x = 89,086.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.